Used in this how-to video:. How to Make Bottle Cap Earrings Using Epoxy Sticker. . EuroPunch Pliers developed by EUROTOOL®. These newly designed hole punch pliers will punch copper or silver as thick as 18 gauge. Exactly what you need to easily add a hole to that stamping, metal blank or sheet stock. Will create a clean 1.8mm hole without rough edges or burs in sheet metal stock. The pliers have ergonomic handles and are made of thick carbon steel. One (1) replacement pin included. When worn, the pin can easily be changed for a clean cut every time. Measurements: Pliers are 5 1/4" Long. Punch pin is 1.8mm in diameter and will create 1.8mm round holes. PLEASE NOTE: We highly recommend eye protection with the use of any tools. These pliers are intended for beading and other fine hobby work. Not recommended for heavy duty applications such as automotive, home improvement, or maritime use.